Controlling Ethernet Relay Switch (Brick electronics BEM105) With Arduino

Hello Everyone. I am working on a project with the aim of connecting my arduino device which has an ethernet shield to be able to send commands and controls using http to my relay switch, My relay can only be connected to the Arduino through the internet .

i have attached a manual to my relay switch please take a look at this thank you.

BEM105 Operation Manual 20181125.pdf (1.22 MB)